Yankee Hill Machine Company Fat Cat 5.56 / .223 Rem
Lowest Price
MSRP
$739.95
Savings
26% off
Verified In Stock at
49 Stores
Updated
Aug 26, 2026
Compare Deals from 52 Retailers
Verified availability, then price
Page 1 of 7
5.56 NATO: 10 Minimum barrel length."
Caliber: 5.56mm
Decibel Rating: 139 dB
Diameter: 1.94";Construction: 17-4 Ph SS/Inconel 718 Blast Baffle"
Full Auto Rated
Includes Quick Detach Mount/Muzzle Brake
Length: 4.25/Adapter 4.50""
Mount: sRx 1/2 x 28 QD. HUB Adapter"
Specifications
Description
Yankee Hill Machine Fat Cat Features The Yankee Hill Machine Fat Cat utilizes advanced Sound Technologies baffles engineered to provide effective and consistent noise reduction. This internal design helps manage gas flow efficiently improving suppression performance without excessive back pressure. The result is dependable sound control across a wide range of shooting conditions. A factory-supplied quick detachable attachment method allows for fast mounting and removal when transitioning between rifles. The compact size and lightweight 12.5-ounce construction help preserve firearm balance and handling. Standard 1/2x28 threading ensures compatibility with many .223 Remington and 5.56 NATO platforms. Yankee Hill Machine Fat Cat Specifications Manufacturer: Yankee Hill Machine Company Family: Fat Cat Series Model: Fat Cat Type: NFA silencer Caliber Compatibility: .223 Remington 5.56 NATO Thread Pattern: 1/2x28 Attachment Method: Quick detachable Factory Supplied Attachment: Yes Finish: Matte black Overall Length: 4.25 inches Diameter: 1.94 inches Baffle Type: Sound Technologies Weight: 12.5 ounces







